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Certification:CE,UL,RoHS
PID Control Smart DDC Direct Digital Controller , RS485 Network control
Quick Detail:
24VAC±10 %
Network Control(RS485,Modbus Protocol)
PID Control
Description:
HL/1-4884 is an intellectual building auto-control system (BAS) controller, which has 8 analog inputs, 8 digita
l inputs, as well as 4 analog outputs and 4 digital outputs. It has both PID automatic adjustment and
enforcement modes, to realize field control and remote network control.Control objects, input and output
signal type are optional.
Applications:
● Network Control(RS485,Modbus Protocol)
● PID Control
● Programmable(7 days 4 periods)
● Enforced Output
● Alarm
● I/O Correlative control
● I/O Type Setting
Specifications:
● Power:24VAC±10 %,50Hz/60Hz,
Consumption (max.): 5W
● Analog Input(AI):
Input Voltage: 0~5V;1~5V;
Input Current: 0-20mA;4~20mA
Sensor Input: Temperature sensor(3K/10K NTC)；
● Digital signal Input(DI): modulating input(NO/NC Optional)；
● Analog signal Output:
Voltage Output: Output current(max) 5mA,
Accuracy±0.04V
0~10V；2~10V；10~0V；10~2V；1~5V；0~5V；
Current Output: on load resistance(max) 600ohm,
Accuracy±0.08mA
0~20mA；4~20mA；20~0mA；20~4mA；
● Digital Output:
Changeable contact(Manually enforced optional),
contact capacity AC250V 3A(Ohmic load).
● Network Setting Network Address: 31(max)
Basic function Network control (RS485/Modbus,Tcp/Modbus protocol) Network expansion can add ambient devices by local bus. Input and output modes setting Configurable fee parameter programmable(2 7days 2 periods and 2 7 days 6 periods) PID control Configurable logical operation Input,intermediate variable,output relevant control Switching volume alarm set Easy and simple configuration software, Items can be copy breezily
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